OSDN Git Service

x86,objtool: Create .return_sites
authorPeter Zijlstra <peterz@infradead.org>
Tue, 14 Jun 2022 21:15:38 +0000 (23:15 +0200)
committerBorislav Petkov <bp@suse.de>
Mon, 27 Jun 2022 08:33:58 +0000 (10:33 +0200)
commitd9e9d2300681d68a775c28de6aa6e5290ae17796
treef67d4b228c6c59ba6ec95aa48099040dbbb6fc3b
parent15e67227c49a57837108acfe1c80570e1bd9f962
x86,objtool: Create .return_sites

Find all the return-thunk sites and record them in a .return_sites
section such that the kernel can undo this.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
tools/objtool/arch/x86/decode.c
tools/objtool/check.c
tools/objtool/include/objtool/arch.h
tools/objtool/include/objtool/elf.h
tools/objtool/include/objtool/objtool.h
tools/objtool/objtool.c